Generic Smog Inspection Window Stickers, printed in reverse (mirror image) and placed inside the car windshield to be read from the outside, 1.5 inches X 2 inches, red and black ink on clear vinyl...easy on, easy off and no residue to clean up. Pack of 50 = $24 Pack of 200 = $68 Pack of 500 = $98 Pack of 1,000 = $149 Pack of 2,500 = $269 Pack of 5,000 = $489